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meshz.m: Add support for color matrix input. * scripts/plot/meshz.m: Add support for color matrix input.
author Rik <rik@octave.org>
date Sat, 03 Aug 2013 10:05:07 -0700
parents 52931d71400f
children df4c4b7708a4
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2000-2012 Teemu Ikonen
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} loglogerr (@var{args})
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21 ## @deftypefnx {Function File} {} loglogerr (@var{hax}, @dots{})
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22 ## @deftypefnx {Function File} {@var{h} =} loglogerr (@dots{})
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23 ## Produce 2-D plots on a double logarithm axis with errorbars.
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24 ##
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25 ## Many different combinations of arguments are possible. The most common
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26 ## form is
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27 ##
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28 ## @example
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29 ## loglogerr (@var{x}, @var{y}, @var{ey}, @var{fmt})
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30 ## @end example
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31 ##
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32 ## @noindent
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33 ## which produces a double logarithm plot of @var{y} versus @var{x}
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34 ## with errors in the @var{y}-scale defined by @var{ey} and the plot
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35 ## format defined by @var{fmt}. @xref{XREFerrorbar,,errorbar}, for available
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36 ## formats and additional information.
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37 ##
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38 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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39 ## rather than the current axes returned by @code{gca}.
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40 ## @seealso{errorbar, semilogxerr, semilogyerr}
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41 ## @end deftypefn
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42
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43 ## Created: 20.2.2001
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44 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi>
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45 ## Keywords: errorbar, plotting
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46
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47 function h = loglogerr (varargin)
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48
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49 [hax, varargin] = __plt_get_axis_arg__ ("loglogerr", varargin{:});
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51 oldfig = ifelse (isempty (hax), [], get (0, "currentfigure"));
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52 unwind_protect
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53 hax = newplot (hax);
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54
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55 set (hax, "xscale", "log", "yscale", "log");
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56 if (! ishold (hax))
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57 set (hax, "xminortick", "on", "yminortick", "on");
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58 endif
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59 htmp = __errcomm__ ("loglogerr", hax, varargin{:});
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61 unwind_protect_cleanup
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62 if (! isempty (oldfig))
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63 set (0, "currentfigure", oldfig);
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64 endif
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65 end_unwind_protect
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67 if (nargout > 0)
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68 h = htmp;
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69 endif
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71 endfunction
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74 %!demo
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75 %! clf;
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76 %! x = exp (log (0.01):0.2:log (10));
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77 %! y = wblpdf (x, 3, 2);
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78 %! eyu = 2*rand (size (y)) .* y;
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79 %! eyl = 0.5*rand (size (y)) .* y;
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80 %! loglogerr (x, y, eyl, eyu, '#~x-');
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81 %! xlim (x([1, end]));
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82